Siemens FC361 Series - C-NET Topology

Installation
C-NET detector line
6
A6V10421795_en--_k
37 | 151
6.6.2 C-NET topology
Permissible topology for the C-NET
The ↑ C-NET can be wired in the topology shown below. Regardless of the
topology (↑ loop, ↑ stub or loop with sub-stub), the C-NET system limits, such as
length, cable resistance etc., must be observed.
For FC361-xx, either one loop or two stubs can be connected to the panel’s C-NET
↑ detector line. FC362-xx supports connection of two loops or four stubs.
Loop
FC361-xx: 1 loop , max. 126 addressable
devices
FC362-xx: 2 loops, max. 126 addressable
devices per loop
Stub
FC361-xx: 2 stubs, max. 32 addressable devices
per stub as per EN 54-2
FC362-xx: 4 stubs, max. 32 addressable devices
per stub as per EN 54-2
Sub-stubs on loop
A sub-stub must only be connected between two
devices or line separators as well as directly to
the terminal connection.
Wiring NOT permissible
NOT permissible
Sub-stub on sub-stub of loop
NOT permissible
Sub-stub on a stub
C-NET
C-NET